Explanation: 6. Each letter is replaced by the one which is at twice its position in the English alphabetical order.Hence,
L (12) × 2→X (24)
A (1) × 2→B(2)
……………………
R (18) × 2→J (36=26+10)
Similarly, F×2=L; O×2=D; R×2=J;
M×2=Z; E×2=J; T×2=N
Answer:b)